Notation question

When I'm doing problems where I'm finding a tangent line, I find it cumbersome to write out the part where I'm expressing the slop of the line at x=(some value). Is there a notation for expressing the slope of the tangent line to a function at a specific x value?

Re: Notation question

Originally Posted by beebe

When I'm doing problems where I'm finding a tangent line, I find it cumbersome to write out the part where I'm expressing the slop of the line at x=(some value). Is there a notation for expressing the slope of the tangent line to a function at a specific x value?